N.M. Code R. § 6.20.2.21
E. Arbitrage: The school district shall not earn any income on invested bond proceeds which is in excess of the amount which would have been earned if the bond proceeds had been invested at a yield equal to the yield on bonds. The school district shall prevent the issuance of tax exempt bonds for the purpose of investing the proceeds to make a profit. A long-term investment can be made only at an interest rate equal to or less than the interest paid on the tax exempt bonds.
[2/03/1993, 11/01/1997, 1/15/1999; 6.20.2.21 NMAC - Rn, 6 NMAC 2.2.1.21, 5/31/2001; A, 11/30/2006]